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Note 12 - Accrued Closure Costs and ARO | 12 Months Ended
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Dec. 31, 2016
Notes to Financial Statements |
Asset Retirement Obligation Disclosure [Text Block] | NOTE 12 ACCRUED CLOSURE COSTS AND ARO Accrued closure costs represent our estimated environmental liability to clean up our fixed-based regulated facilities as required by our permits, in the event of closure. Changes to reported closure liabilities for the years ended December 31, 2016 and 2015, were as follows:
Amounts in thousands |  |  |  |
Balance as of December 31, 2014 |  | $ | 5,508 |
Accretion expense |  |  | 299 |
Payments |  |  | (331 | )
Adjustment to closure liability |  |  | (175 | )
Balance as of December 31, 2015 |  |  | 5,301 |
Accretion expense |  |  | 374 |
Payments |  |  | (693 | )
Adjustment to closure liability |  |  | 2,333 |
Balance as of December 31, 2016 |  | $ | 7,315 |
As a result of the Company’s decision to close the M&EC subsidiary by January 2018, the Company recorded an additional $1,626,000 in closure liabilities during the second quarter of 2016 due to a change in estimated closure costs (see “Note 3 – M&EC Facility” for further information of this additional closure liability). The Company also increased the closure liabilities for its PFNWR facility in the amount of approximately $707,000 resulting from a change in estimated closure costs. In 2016, the Company had spendings of approximately $283,000 and $410,000 in closure related activities for the M&EC and PFNWR subsidiaries, respectively. The spendings at PFNWR facility were made in connection with the closure of certain processing unit/equipment. As of December 31, 2016, total accrued closure liabilities for our M&EC subsidiary totaled approximately $3,058,000 of which $2,177,000 are recorded as current liabilities. The decreases in closure liabilities in 2015 included approximately $331,000 of costs incurred in connection with the closure of processing unit/equipment at our PFNWR facility and a reduction of approximately $175,000 in closure liabilities at our PFNWR facility resulting from a change in estimated closure costs. The reported closure asset or ARO, is reported as a component of “Net Property and equipment” in the Consolidated Balance Sheet for the years ended December 31, 2016 and 2015 as follows:
Amounts in thousands |  |  |  |
Balance as of December 31, 2014 |  | $ | 2,870 |
Amortization of closure and post-closure asset |  |  | (152 | )
Adjustment to closure and post-closure asset |  |  | (143 | )
Balance as of December 31, 2015 |  |  | 2,575 |
Amortization of closure and post-closure asset |  |  | (760 | )
Adjustment to closure and post-closure asset |  |  | 2,333 |
Balance as of December 31, 2016 |  | $ | 4,148 |
The adjustment to the ARO for 2016 was due to the adjustment made to our closure liability as discussed above.

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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7569-110849 + Details
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